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Finding the Fourth Proportional to 201,371.30, 301,711.35 and 95,963.30

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Solution

The fourth proportional to 201,371.30, 301,711.35 and 95,963.30 is: 143,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,371.30 : 301,711.35 = 95,963.30 : x
  2. Step 2: Convert to fraction form
    201,371.30/301,711.35 = 95,963.30/x
  3. Step 3: Cross multiply
    201,371.30x = 301,711.35 × 95,963.30
  4. Step 4: Simplify right side
    201,371.30x = 28,953,216,793.46
  5. Step 5: Solve for x
    x = 28,953,216,793.46/201,371.30
  6. Step 6: Final answer
    x = 143,780.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.